United States
UV Index in Louisiana — Current UV Levels
Check the current UV index for 3 cities in Louisiana. Select a city below for real-time UV data, hourly forecasts, and sun protection advice.
UV Index by City in Louisiana
Sun Safety in Louisiana
UV levels in Louisiana vary by season, altitude, and proximity to water. The WHO recommends sun protection whenever UV reaches 3 or higher. Apply SPF 30+ before outdoor activities and reapply every 2 hours.
UV Index in Louisiana: What to Know
Louisiana sits at a low latitude with high humidity, giving it very high summer UV from late spring through early fall.
Across Louisiana, the UV index peaks in the four hours around solar noon (roughly noon to 3 PM local time). The World Health Organization recommends sun protection whenever the UV index reaches 3 or higher: apply broad-spectrum SPF 30 at UV 3–5, SPF 50 at UV 6–7, and SPF 50+ with reapplication every two hours at UV 8 and above. Check the live, hour-by-hour UV index for Baton Rouge, New Orleans and Shreveport on the city pages above before heading outdoors.
Common Questions About UV in Louisiana
When is the UV index highest in Louisiana?
UV in Louisiana is strongest between noon and 3 PM local time, and highest in the summer months when the sun sits highest in the sky. Check the hourly chart for Baton Rouge above to see today's exact peak.
Do I need sunscreen in Louisiana?
Yes — whenever the UV index reaches 3 or higher, which in Louisiana covers most of the daytime hours from spring through fall. Even on cloudy days, up to 80% of UV can reach the ground.
How accurate is this UV data for Louisiana?
Our UV index for Louisiana comes from Open-Meteo, which aggregates national weather-service models, and updates every 15 minutes. Levels follow the official WHO global solar UV index scale.